英语词汇“sima”是什么意思，“sima”的读音、用法及例句翻译-烛光网

词汇	sima
释义	si·ma AHD[sīʹmə] D.J.[ˈsaɪmə]K.K.[ˈsaɪmə]n.（名词） The lower layer of the earth's outer crust that underlies the sial and is rich in silica, iron, and magnesium.硅镁层：地球外壳的较低层，在硅铅层之下，富含硅、铁和镁 Etymology语源 si(lica) si(lica) ma(gnesium) ma(gnesium)
随便看	goas goat goat Goat goat antelope goatee goatees goatfish Goat Island goat-nut goats goatsbeard goatskin goat's rue goatsucker gob Gobat gobbet gobbeted gobbeting gobbets gobble gobble gobbled gobbledegook

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